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Finding the Fourth Proportional to 2,581.92, 3,873.43 and 733.60

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Solution

The fourth proportional to 2,581.92, 3,873.43 and 733.60 is: 1,100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.92 : 3,873.43 = 733.60 : x
  2. Step 2: Convert to fraction form
    2,581.92/3,873.43 = 733.60/x
  3. Step 3: Cross multiply
    2,581.92x = 3,873.43 × 733.60
  4. Step 4: Simplify right side
    2,581.92x = 2,841,548.25
  5. Step 5: Solve for x
    x = 2,841,548.25/2,581.92
  6. Step 6: Final answer
    x = 1,100.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.